{"product_id":"eaton-fd1050l-277v-50a-277v-1-pole-circuit-breaker","title":"Eaton FD1050L (277 V) - 50 A, 277 V, 1-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton FD1050L (277V) 50A 1-pole molded case circuit breaker is engineered to deliver precise, reliable protection for single-circuit loads in commercial and light industrial panel systems. Designed to fit panelboards and load centers that require a 277-volt single-pole solution, this breaker provides fast isolation on overloads and short circuits, helping keep your electrical system safe and up to code.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes usable panel space, making it easier to organize circuits in tight electrical enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e offers stable, repeatable protection by responding to both prolonged overloads (thermal) and instantaneous short circuits (magnetic) without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 50A at 277V\u003c\/strong\u003e ideal for protecting a single branch circuit on 277V distribution, such as lighting and certain HVAC or equipment circuits in commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is designed to work with matching OEM load centers and panelboards, ensuring a straightforward swap or upgrade in compatible systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where 277V circuits are common.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: FD1050L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating\u003c\/strong\u003e: 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles\u003c\/strong\u003e: 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eUse the FD1050L in commercial buildings with 277V lighting grids, small offices, retail spaces, schools, or healthcare facilities where reliable single-circuit protection is essential. It’s a solid replacement or upgrade option for aging panels in retrofit projects, where space efficiency and predictable trip performance matter. For new installations, pair this breaker with compatible Eaton OEM panelboards to maintain consistent protection characteristics across the system.\u003c\/p\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility with Eaton OEM load centers to ensure a secure fit and consistent trip characteristics.\u003c\/li\u003e \u003cli\u003eCompressively inspect terminations during installation to prevent loose connections, which can cause overheating and unwanted tripping.\u003c\/li\u003e \u003cli\u003eSchedule periodic checks of breaker operation in accordance with your facility’s maintenance plan to confirm continued reliability in 277V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Eaton FD1050L for dependable, site-ready protection that aligns with 277V commercial electrical layouts. It’s a purpose-built solution for preserving circuit integrity, protecting equipment, and keeping critical spaces running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349672743074,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_b4a05040-f44c-4ba5-8815-cce58ace0b50.png?v=1764153472","url":"https:\/\/www.ampstate.com\/products\/eaton-fd1050l-277v-50a-277v-1-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}